cannot find what is causing the race condition or deadlock

plugins/testing/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "testing"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+tokio = "1.39.3"
+tracing = "0.1.40"
+gpt-sandbox = { path = "../../" }
+async-trait = "0.1.81"
+once_cell = "1.19.0"

plugins/testing/src/lib.rs

@@ -0,0 +1,34 @@
+use async_trait::async_trait;
+use gpt_sandbox::{AsyncFn, Plugin, PluginResult, RegisterFn};
+use std::collections::HashMap;
+use tokio::runtime::Handle;
+
+#[allow(improper_ctypes_definitions)] // will never be used by c programs, would use rust dylib if it existed
+#[no_mangle]
+pub extern "C" fn register_plugin() -> RegisterFn {
+	Box::into_raw(Box::new(ExamplePlugin))
+}
+
+struct ExamplePlugin;
+
+#[async_trait]
+impl Plugin for ExamplePlugin {
+	fn register_functions(&self) -> HashMap<String, AsyncFn> {
+		let mut map = HashMap::new();
+		map.insert("example_function".to_string(), example_function as AsyncFn);
+		dbg!(map)
+	}
+
+	fn unregister_functions(&self) -> Vec<String> {
+		dbg!(vec!["example_function".to_string()])
+	}
+}
+
+fn example_function(handle: Handle) -> tokio::task::JoinHandle<PluginResult> {
+	println!("start of example_function");
+
+	handle.spawn(async {
+		println!("task running");
+		PluginResult::Ok
+	})
+}